baber/WOPTO huggingface dataset:
Patent GB-1126846-A (GB)
Title: Mechano-electrical transducer
IPC: H04R23/00
Filed: 1967-04-13
Abstract: 1,126,846. Electric solid-state devices. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 13 April, 1967 [13 April, 1966], No. 17092/67. Heading H1K. A force-sensitive electric device consists of a body, of semi-conductor or insulating material having a forbidden energy gap, doped with multiple level impurities including at least one deep level impurity whose effect is to promote the recombination of electron-hole pairs. Such a body exhibits negative resistance at a threshold voltage whose value is a function of the mechanical loading on the body. Fig. 1 shows a body of semi-conductor in which a region 12 has been doped in the required manner, the mechanical loading on this region being variable by means of a pressure member 15. The body 11 may be phosphorus doped silicon and the region 12 formed by further doping with copper. This is surmounted by a gold-antimony alloyed electrode 13. Gold in addition to copper may be diffused into the region 12 before attachment of this electrode. A second electrode 14 is connected to the body 11 and may be either ohmic or rectifying-nickel is specified as a suitable material. An alternative device (not shown) consists of a film of phosphorus doped silicon dioxide sandwiched between aluminium plates. The doped SiO 2  is deposited from a CO 2  atmosphere containing vaporous halides of silicon and phosphorus. After deposition the film is further doped with gold.
Patent GB-856214-A (GB)
Title: Improved cushioning
Inventor: WEBB JOHN HAROLD GORDON
IPC: B32B27/00
Filed: 1958-05-29
Abstract: 856,214. Cushions. KAY BROS. Ltd. April 2, 1959 [May 29, 1958], No. 17105/58. Class 52(4) [Also in Group VIII] Upholstery or like cushioning comprises at least two layers one of which is of polyester foam and the other and outer layer of polyether foam. In a reversible cushion a layer 4 of polyester polyurethane foam is sandwiched between two profiled layers 3 of polyether polyurethane foam the tips of the surfaces being adhesively coated so that air spaces 5 result between layers 3 and 4.
Patent GB-894663-A (GB)
Title: Method for dispersing sodium nitrite in grease compositions
IPC: C10M169/00
Filed: 1960-05-16
Abstract: Grease compositions containing sodium nitrite are prepared by adding to a grease at a temperature not above 150 DEG  F. an oil dispersion of ground sodium nitrite having an average particle size of 5 to 40 microns.  The grease may comprise a mineral or synthetic lubricating oil and a thickener such as a salt, soap, soap-salt complex, polyethylene, clay, carbon black or silica gel; preferred thickeners are formed by co-neutralisation in oil of mixtures of high molecular weight (C14 to C30) and/or intermediate molecular weight (C7 to C12) fatty acids with low molecular weight (C2 to C4) fatty acids, with hydroxides, oxides or carbonates of alkali metals, e.g. lithium or sodium or alkaline earth metals, e.g. calcium, strontium, barium or magnesium.  The compositions may also include phenyl-alphanaphthylamine, polyisobutylene, aluminium hydroxy-stearate, and colloidal silica.
Patent GB-458123-A (GB)
Title: Improvements in or relating to arc converters
IPC: H01T11/00
Filed: 1935-06-14
Abstract: 458,123. Arc converters. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London. June 14, 1935, No. 17210. Convention date, June 14, 1934. [Class 39 (i)] To facilitate the ignition of the main arc between the main electrodes 1, 2 and to cool and also to extinguish, at the end of each positive half-cycle, the main arc, cylindrical streams of gas which lie one within the other are directed axially in opposite directions from each electrode assembly 1, 3, 6 and 2, 4, 7. Screen electrodes 3, 4 and ignition electrodes 6, 7 are provided. Further gas streams, such as a radial stream which flows into the arc space between the sets of electrodes, or streams which issue from perforations 10, 11 in the ignition electrodes may be provided. The auxiliary arc may be ignited by the use of high-frequency voltages.
Patent GB-973046-A (GB)
Title: Mixing device
Inventor: RICHARDSON HERBERT HENRY
IPC: A47K5/06
Filed: 1962-05-04
Abstract: 973,046. Soap &c. holders. H. H. RICHARDSON. Aug. 6, 1963 [May 4, 1962], No. 17238/62. Heading A4V. [Also in Division B1] A holder and dispenser for detergent &c. in solid form comprises a connecting member 1 for connection to a tap and provided with a bracket 2 on which a chamber 3, receiving the detergent &c., is slidably mounted for movement between an operative position, in which flow from the tap enters the chamber and detergent solution is discharged through apertures 8, and an inoperative position out of register with the tap and in which the tap discharges water through the connecting member. The chamber is preferably of transparent or translucent plastic and has ribs 4 slidable in flanges 5 on the bracket, stops 6, and a charging opening 7 which is sealed by a cover plate 9 on the bracket, when the chamber is in operative position to prevent overflow. The apertures 8 are restricted in size to ensure immersion of the detergent &c. and may produce a spray.
Patent GB-424413-A (GB)
Title: Improvements in electric starting devices for internal combustion engines
Filed: 1933-06-17
Abstract: 424,413. Starting prime movers. ECLIPSE MACHINE CO., Elmira, New York, U.S.A. June 17, 1933, No. 17301. Convention date, June 18, 1932. [Class 38 (iv)] A starting system comprising an electromagnetic switch 4 controlling the circuit of a motor SM for starting an internal-combustion engine has, in addition to the manual switch 9, contacts 14 in series with the electromagnet 8 which are separated by the pressure set up in the intake manifold upon backfire or backward rotation and the engine. A resistance is thereby inserted in series with the electromagnet which is insufficient to cause it to open the starting motor circuit but sufficient to render magnet 8 incapable of closing that circuit. The resistance may be constituted by a solenoid 38 arranged to hold open the contacts irrespective of the continuance of backward rotation of the engine. The cranking operation is thus not interrupted by back-firing. A second set of contacts 17 in the circuit of the electromagnet 8 may be opened when the engine stalls and prevented from reclosing by time delay means, such as the vibrating spring 19, to ensure that the engine shall have come to rest before the starting circuit can be again closed. The two devices supplement each other.
Patent GB-1177729-A (GB)
Title: Method and Apparatus for the production of Zinc Coatings
Inventor: MAAK FRITZ
IPC: C23C24/10
Filed: 1968-04-10
Abstract: 1,177,729. Coating with zinc. F. MAAK April 10, 1968 [April 10, 1967], No.17316/68. Heading C7F. A substrate such as a tube 1 Fig.2  is coated with zinc by feeding zinc powder e. g. from hopper 2 on to conveyer belt 3 and via hopper 4 on to the tube 1, cover plates 5 forming a narrow space between the plates and the pipe and the zinc powder being heated to above its melting point. The tube 1 may be fed directly from a rolling mill and cooled to a temperature of 450‹-700‹C. which is sufficient to melt the zinc powder without applying any external heating in the coating process. The tube 1 may be rotated and moved through the source of zinc powder supplied from the hopper. The powder supplied may consist of 94% zinc, 1% aluminium and 5% ammonium chloride. The cover plates 5 may be water cooled and the temperature of the tube fed to the coating station may also be controlled by water sprays. The coating device may be moved in place of the tube and the internal surface of the pipe may also be coated.
Patent GB-355842-A (GB)
Title: Improvements in or relating to automatic shuttle-changing looms for weaving
IPC: D03D45/34
Filed: 1930-06-05
Abstract: - 355,842. Looms with automatic weft replenishment. WOOD, A. E., Dobcross Loom Works, Dobcross, Yorkshire.-(Crompton & Knowles Loom Works ; Worcester, Massachusetts, U.S.A.) June 5, 1930, No. 17356. [Class 142 (iii).] Shuttle-changing mechanism.-In looms of the pick-and-pick type in which one shuttle is received in an upper box at one side of the loom and the other shuttle in the upper box at the other side of the loom, a separate shuttle magazine is provided at each side of the loom for supplying a fresh shuttle in either of the upper boxes, the replenishment being controlled by weft-detecting mechanism associated with the lower shuttle box at the opposite side of the loom. At each end of the lav there is provided a set of pattern-controlled drop-boxes comprising regular upper boxes 12, 13, Fig. 4, regular lower boxes 14, 15, and auxiliary boxes 16, 17. In the normal running position shown in Fig. 4, the shuttle G has just been received in the box 13 from the raised box 14. In that position, the weft feeler 31 indicates for the shuttle R in the box 15. If the weft in that shuttle is substantially exhausted, the shuttle boxes at the left of the loom are raised to bring the auxiliary box 16, Fig. 5, into position to receive the shuttle R from the box 15, while the upper box 12 is raised sufficiently to cause the magazine for the " R " shuttle to deposit a shuttle R<1> in the compartment 12. Where the drop-boxes to the left of the lay fall to normal position, the shuttle in the box 16 is no longer supported by the binder, and is discharged.
Patent GB-726872-A (GB)
Title: A detachable mounting for chair or seat backs
IPC: A47C7/40
Filed: 1953-06-23
Abstract: 726,872. Seat backs. SUMMERS, M. Dec. 3, 1953 [June 23, 1953], No. 17364/53. Class 52 (2). A seat back 8 is secured to the rear uprights 2 by screws 3 engaging nuts 6 with prongs 9 fixed in recesses 7 in the back. A plate 10 may be provided which bears against the nut which is preferably of pressed metal to receive a selftapping screw.
Patent GB-790457-A (GB)
Title: Improved process for the preparation of sodium chloride
IPC: C01D3/22
Filed: 1956-06-05
Abstract: Sodium chloride of high bulk density is prepared by the evaporation of brine containing compounds supplying nitrilotriacetate ions, preferably in a quantity between 1 and 100 mg. per litre. Dimethylglyoxim, preferably in a quantity between a 1/2 mg. and 50 mg. per litre may also be added to the solution.  The crystallization may be effected by direct evaporation in a boiling zone or alternatively by preparing a supersaturated brine by evaporation and passing such a solution to a crystallizer with a movable bed where the crystals are withdrawn and the brine is returned for supersaturation.  According to an example, nitrilotriacetic acid (20 mg. per litre) was added to brine and crystallization effected in the boiling zone of the evaporator.  A further example relates to sodium nitrilotriacetate being added in a quantity of 30 mg. per litre with or without 5 mg. per litre of dimethylglyoxim. Specification 617,137 is referred to.
Patent GB-583992-A (GB)
Title: Improvements in fastening devices for document and other cases, straps, bands and the like
IPC: A45C13/10
Filed: 1944-09-13
Abstract: 583,992. Strap fastenings. RUSSELL & SONS, Ltd., S., and RUSSELL, W. H. Sept. 13, 1944, No. 17470. [Class 44] A fastening for the straps of document cases, or for other straps and bands, comprises a plate having slots or apertures, and a co-operating member adapted to enter one of the slots and having spring-pressed elements or balls engaging behind the opposite edges of the aperture. The plate 4, Fig. 3, with rectangular slots 5, is attached to the front of a case, for example, but spaced away therefrom by distance pieces. The sides 6 of the plate are turned down. The co-operating member on the strap 3 (shown turned back in the Figure) comprises a plate 9 bent to provide a channel or tubular part 10 in which are received housings 15, Fig. 5, each containing a spring- pressed ball 17 which when the member is pressed through one of the slots 5 engage behind the ends thereof. The fastening may be applied to belts.
Patent GB-1312717-A (GB)
Title: Diffusion devices
IPC: G03H1/32
Filed: 1970-04-13
Abstract: 1312717 Diffusion device for holography AGFA-GEVAERT AG 13 April 1970 [11 April 1969] 17533/70 Heading G2J A diffusion device which eliminates granulation effects when used to illuminate a transparent photographic image which is to be holographed, is manufactured by recording in a photo-sensitive medium a section through a light beam having a desired phase distribution, then treating the medium in a bleaching bath so that the spatial variations in phase of the beam are recorded as variations in the optical path length through the medium in a given direction, so that the medium is of uniform optical density and so that the optical path length variations are less than half the wavelength of the light used in making a hologram. In addition to the bleaching treatment, whereby the part of the medium containing a record of the light beam is converted to a dielectric substance having a refractive index different from the surrounding medium, this part may be treated so that the thickness of the medium varies spatially to correspond to the record.
Patent GB-460141-A (GB)
Title: A process for applying silver halide colloid layers without distortion on future printing forms
IPC: G03F7/06
Filed: 1935-06-18
Abstract: 460,141. Photo-mechanical printing- surfaces. REDDIE, L. N. (Naamlooze Vennootschap Nederlandsch Laboratorium de Spaarhestad) June 18, 1935, No. 17573. [Class 98 (ii)] In a process for transferring silver halide colloid layers, especially silver bromide pigment papers, to a surface for use in preparing printing forms, the exposed but undeveloped layers are transferred in a dry condition, being superficially moistened with sufficient moisture to cause adherence between the lavers and the surface and the developing and hardening is carried out thereon in known manner, the carrier for the layers consisting of porous unsized paper e.g. blotting paper. The moistening may be carried out by means of the developer or of its alkaline constituent. The layer after transfer, developing, hardening, and if desired washing with warm water may be used as an etching resist or the gelatin relief itself may form the printing surface, e.g. for imbibition printing or printing from the hardened parts using a fatty ink.
Patent GB-203819-A (GB)
Title: Integral automatically regulated acetylene lamp or generator
IPC: C10H5/00
Filed: 1922-06-27
Abstract: 203,819. Thibaut, G. J. H. June 27, 1922. No Patent granted (Sealing fee not paid). Drip-feed apparatus; purifying acetylene.-An acetylene generator comprises a casing E divided by partitions F, H into three compartments, a water chamber A, a generating chamber B. and a purifying chamber C; from the chamber A water flows in regulated quantity through an aperture in a removable glass &c. plate T, and falls on the carbide contained in a holder P carried by the bottom plate D which screws into the base of the generator; the gas generated passes through a separating pipe S partly submerged in liquid contained in the purifying chamber C, and escapes through the perforated end of this pipe opening under the surface of the liquid. The chambers A, C, are provided with filling plugs R, M, the opening in the former being closed by a plug during transit. If gas under pressure is required, the chambers A, B, are put in communication through pipes W, Z, G, the latter being provided with a cock K; the section Z acts as a safety release, blowing off its connection on an excessive increase of pressure.
Patent GB-744157-A (GB)
Title: Improvements in and relating to holders for thermionic valves, electrical plugs, or like electrical devices having projecting terminal prongs, and to means for mounting the holders on an apertured panel or support
Inventor: HEATH CLARENCE WILLANS
IPC: H01R13/71
Filed: 1953-06-25
Abstract: 744,157. Holders for thermionic valves. CARR FASTENER CO., Ltd. June 9, 1954 [June 25, 1953], No. 17673/53. Class 38 1). A valve holder is mounted in an aperture 12 in a panel 10 by inserting face 4 of the holder into the aperture until abutments 6 bear on its underface and then rotating the holder until a rib 13 thereon engages the far end of a cutaway portion 14, in which position lateral extensions 7 of the holder-contacts engage circuit connections 11 on the panel, and projections 5 on the holder retain it in the aperture.
Patent GB-1118554-A (GB)
Title: An improved system for discharging liquid under pressure
Filed: 1966-04-22
Abstract: 1,118,554. Pumping apparatus. G. F. HARE April 22, 1966, No. 17674/66. Heading F1A. Apparatus, e.g. for cleaning poultry houses with hot water containing a detergent or germicide, comprises an electric motor-driven pump 9 and a reservoir 1 mounted on wheels, Fig. 1 (not shown), the pump drawing liquid from the reservoir through a three-way valve 12, which also may be operated to connect a liquid supply pipe 14 to the reservoir or directly to the pump inlet, and delivering the liquid to a lance 17 incorporating a control valve 18, a by-pass circuit with a relief valve 22 coming into operation when control valve 18 is closed. Relief valve 22 comprises a valve member (24), Fig. 3 (not shown), connected to a spring-loaded piston (32) subjected to the delivery line pressure. The pressure in the pump suction line assists the opening of the relief valve. An electric immersion heater is mounted in a chamber in the reservoir. The apparatus includes a filter 21 and pressure gauge 28.
Patent GB-800266-A (GB)
Title: Improvements in or relating to wringers
Inventor: SMITH ERIC THOMAS
IPC: D06F45/00
Filed: 1956-06-08
Abstract: 800,266. Mangles. KODAK, Ltd. June 7, 1957 [June 8, 1956], No. 17739/56. Class 138 (2). [Also in Group XX] A wringer especially suitable for removing moisture from thin materials such as photographic prints, has a pair of contacting parallel rollers 2, formed of a compressible material mounted on cores 1, which are rotatable in opposite directions. A stripping device is provided, consisting of wires 4 mounted on rods 5 and passing into slits 3 in the rollers, to prevent materials from adhering to the rollers as they pass from the wringer. A modification provides two thin blades, one inserted in each of the slits, which strip the material from the rollers. Both the stripping wires and the blades are thin enough to allow closing of the slits at the line of contact of the rollers.
Patent GB-891340-A (GB)
Title: Improvements in or relating to the starting of internal combustion engines
Inventor: BENJAMIN ALFRED MITCHELL
IPC: F02N3/00
Filed: 1959-05-26
Abstract: 891,340. Starting. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. May 11, 1960 [May 26, 1959], No. 17885/59. Class 7(5). [Also in Group XL(a)] A reservoir of compressed air 15 is connected to an internal combustion engine 18 via a starting up control device having a valve 16 for controlling the supply of compressed air to the engine and a releasable latch normally retaining the valve in the closed position, and an energy transmitting connection 20 from the engine to the control device 2 engine start up being initiated by release of the latch and as a result of start up energy is transmitted to restore the valve to the closed position. The valve may be restored to closed position by means of an hydraulic ram actuated by fluid pressure derived from the engine lubricating system. The latch is operated by release of a weighted armature 24 by a solenoid 23. The starting arrangement is used in a nuclear reactor powered electricity generating station (see Group XL(a)).
Patent GB-743935-A (GB)
Title: Improvements in or relating to electric furnaces
Inventor: MURRAY ALEXANDER JOHN
IPC: H05B3/66
Filed: 1953-06-27
Abstract: 743,935. Electric furnaces. BIRLEC, Ltd. June 28, 1954 [June 27, 1953], No. 17887/53. Class 39(3). A heating resistor 8 is supported in a furnace by a jaw 7 of a shank 6 extending longitudinally and eccentrically in a plug 4 and having at its other end a lateral projection 9 of a length exceeding the minimum but not the maximum distance between the shank and the plug periphery so that on insertion of the plug 4 in a recess 2 in an internal face of the furnace chamber, the shank 6 may be rotated so that its radial end 9 engages a transverse bore 3 in the recess 2. The refractory plug 4 may have a longitudinal groove 5 to receive the shank 6, which may have near the jaw end a protuberance, a radial pin or a flange 11 engaging the lower end of the plug, preferably engaging a groove 12 therein to prevent rotation of the shank when in position in the furnace. The plug may have an eccentric longitudinal passage for the shank. One furnace brick may have several recesses 2.
Patent GB-298263-A (GB)
Title: Improved apparatus and process for producing type or like printing surfaces
IPC: B41B11/00
Filed: 1927-07-06
Abstract: 298,263. Kidman, E. C. July 6, 1927. Matrices and moulds for type bar - making mahines.-Thin typebars, which are adapted to be inset in a stereotype or other printing plate or block, are produced by means of matrices a, Fig. 1, of the known kind having ledges b on each side of a character recess c. A number of such matrices are assembled in a holder, and, a cover-plate g, Figs. 6 and 8, is inserted in the recess formed by the ledges b, so as to enclose a casting space h. If the matrices are unprovided with ledges, the strip may be held in place by friction, or may be supported on projections formed on spacing bars placed between the matrices. The coverplate may have a recess or a projection j, Fig. 8, so as to produce a slug of the desired thickness. The cover-plate is perforated, or is made shorter than the mould space, so that metal can be injected.
Patent GB-736968-A (GB)
Title: Improvements relating to pest-controlling coating compositions
Inventor: BRACEY PAUL
IPC: A01N25/12
Filed: 1952-07-16
Abstract: A film produced from a coating composition comprising a lacquer solvent and an organic solvent-soluble aminoplastic resin together with an organic solvent-soluble pest-controlling substance (i.e. pest attractant, pest repellant or pesticide), in a quantity sufficient to exhibit the effect of crystallization, exudation or evaporation on or from the film surface, is hardened by subjecting the surface of the film to irradiation with ultra-violet light for a time sufficient to reduce the rate of, but not inhibit, the release of the pest - controlling substance. An acid accelerator, e.g. sulphuric, hydrochloric, ethyl sulphuric or phosphoric acid, or heat may be used in producing the film.  If desired, the film may be subjected to additional heat treatment by infra-red radiation or by hot air.  The resins used may be made by condensing urea and/or melamine with formaldehyde in the presence of alcohols, e.g. butanol, and may be plastcized with castor oil, tricresyl phosphate or alkyds of short or medium oil length. Esters, hydrocarbons, ketones, ethers and alcohols may be used as solvents.  Fillers, pigments and dye-stuffs may be added.  A long list of pest-controlling substances is given.  In examples, the composition consists of a xylenol-butanol solution of a urea-formaldehyde resin plasticized with a castor oil-modified alkyd, sulphuric acid and (1) gamma benzene hexachloride, and (2) a mixture of pyrethrum and piperonyl butoxide.  The compositions may be applied to surfaces such as the cabin of an aeroplane and furniture. Specifications 344,401 and 709,721 are referred to.
Patent GB-1464051-A (GB)
Title: Photographic recording elements
IPC: G03C1/85
Filed: 1975-04-30
Abstract: 1464051 Metal oxide coatings FUJI PHOTO FILM CO Ltd 30 April 1975 [30 April 1974 13 June 1974] 18094/75 Heading C1A [Also in Division G2] In a polymeric support, Ti, Zr, V, Nb metal is vapour deposited on to a polymeric surface and oxidized at low pressure by glow discharge or electrodeless discharge in the presence of oxygen to form a transparent, semiconductive layer. Suitable supports are mentioned and the supports may be coated with a metal fluoride before metal deposition, or after oxidation of the deposited metal.